Unable to handle kernel paging request

[Laurent Vivier <Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>]

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Hi,

booting a FC6 on my intel box (xeon) with a kernel 2.6.22.5 and KVM git, I had
the following error (not reproducible):

# kvm-userspace/qemu/x86_64-softmmu/qemu-system-x86_64 -hda fc6.qcow2 -net nic
-net tap -serial stdio -smp 4
...
INIT: version 2.86 booting
                Welcome to Fedora Core
                Press 'I' to enter interactive startup.
Setting clock  (utc): Thu Sep 27 18:06:27 CEST 2007 [  OK  ]
Starting udev: Unable to handle kernel paging request at ffffffff880e9000 RIP:
 [<ffffffff8104ebc1>] sys_init_module+0x985/0x1786
PGD 203067 PUD 205063 PMD 7fc4067 PTE 6b50163
Oops: 0002 [1] SMP
CPU 1
Modules linked in: dm_snapshot dm_zero dm_mirror dm_mod ata_piix libata sd_mod s
csi_mod ext3 jbd mbcache ehci_hcd ohci_hcd uhci_hcd
Pid: 641, comm: modprobe Not tainted 2.6.22.5 #1
RIP: 0010:[<ffffffff8104ebc1>]  [<ffffffff8104ebc1>] sys_init_module+0x985/0x178
6
RSP: 0018:ffff810006399e68  EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffc20000090a20 RCX: 0000000000000f84
RDX: ffffffff880e6000 RSI: 0000000000000163 RDI: ffffffff880e9000
RBP: 0000000000000026 R08: ffff810007d94254 R09: 00000000000050cf
R10: 0000000000000000 R11: 0000000000000001 R12: ffffc2000007c300
R13: 0000000000000004 R14: ffffc200000900e0 R15: 00002ab868ac2010
FS:  00002ab8690096e0(0000) GS:ffff810007d94280(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffffffff880e9000 CR3: 0000000007cfd000 CR4: 00000000000006e0
Process modprobe (pid: 641, threadinfo ffff810006398000, task ffff81000788e000)
Stack:  00000000000276d8 0000000000000000 0000000000000000 000000000608f340
 0000000000000000 0000000000000000 0000000000000000 0000000000000000
 0000000000000000 0000000000000000 ffffc200000a2328 ffff810006402000
Call Trace:
 [<ffffffff8108e67d>] vfs_read+0xcb/0x173
 [<ffffffff81009b9e>] system_call+0x7e/0x83


Code: f3 aa 49 89 94 24 88 01 00 00 49 8b bc 24 90 01 00 00 e8 32
RIP  [<ffffffff8104ebc1>] sys_init_module+0x985/0x1786
 RSP <ffff810006399e68>
CR2: ffffffff880e9000


The instruction at [<ffffffff8104ebc1>] sys_init_module+0x985/0x1786 is:

0xffffffff8104ebc1 <sys_init_module+2437>:      rep stos %al,%es:(%rdi)

Any idea of what happened ?

Laurent
-- 
------------- Laurent.Vivier-6ktuUTfB/bM@public.gmane.org  --------------
          "Software is hard" - Donald Knuth


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